Modular charging system and wall-mounted charging device and modular power devices

ABSTRACT

The present invention relates a modular charging system including a wall mounted outlet preserving charger and charging additional accessories, such as battery blocks, wireless device chargers, supporting chargers for wearable devices such as watches, and car chargers, each for use independently or in combination with electronic devices. The present invention typically includes a wall charger with one or more electrical outlets on the front face so that the use of the wall outlet is not lost. The wall charger of the present invention is suitable for use in any major country and may be adapted to the outlet configuration and voltage of those countries.

CROSS-REFERENCES TO RELATED APPLICATIONS

This application claims priority to U.S. application Ser. No.16/898,366, filed Jun. 10, 2020, now U.S. Pat. No. 10,931,127 issuedFeb. 23, 2021, and U.S. application Ser. No. 15/950,081, filed Apr. 10,2018, now abandoned both entitled “Modular Charging and SystemWall-Mounted Charging Device and Modular Power Devices”, whichapplication claims priority to U.S. Prov. App. No. 62/457,510, filedFeb. 10, 2017 entitled “Modular Charging and System Wall-MountedCharging Device and Modular Outlet Extended”, all of which areincorporated by reference.

FIELD

The present invention relates to modular charging systems, includingwall-mounted outlet-preserving chargers for powering and chargingadditional accessories for use with electronic components such asbattery blocks, wireless device chargers, supporting chargers forwearable devices such as watches, and car chargers, each for useindependently or in combination with electronic devices.

BACKGROUND

With many charging systems for electronic devices, the transformer baseunit is hardwired to the cable and is suitable only for use with asingle type of electronic device. In other configurations, the base unitincludes a standardized bus port, such as a Universal Serial Bus (USB)or other manufacturer-specific port. With the proliferation of mobilephones, e-readers, tablets, notepad computers, and other portableelectronic devices, the storage and sorting of charges has becomeburdensome. Sorting base units and cables for any number of electronicdevices consumes time, storage space, and space on a wall outlet or on apower strip.

SUMMARY

In one aspect, a novel wall-mounted charging device and modular outletextender is featured which may be inserted into a standard wall outletwithout additional wires and which provides a platform for charging anelectrical device without intruding into the environment of the user.The wall-mounted charging device and modular outlet extender provides ahousing, at least one electrical outlet, at least one set of electricalconnection prongs, and an auxiliary charging port formed on a top wallof the housing. The top wall supports an electrical device while it isconnected to the auxiliary charging port for charging. In a furtheraspect, the wall-mounted charging device and modular outlet extender mayalso include a removable charging tip extending from the auxiliarycharging port formed on the top wall, and a second auxiliary port formedon a bottom wall of the housing. In a further aspect, the device mayalso include a plurality of auxiliary ports formed in the bottom wall ofthe housing and one or more auxiliary ports formed in sidewalls of thehousing. The device may generally also include a power supply unitproviding low-voltage power to the auxiliary ports so that low-voltagepower is provided to the electrical device for charging. The device mayalso include other features in the housing such as a GI (ground faultinterrupter), a surge protector, a mechanical power interruption switch,a Wi-Fi extender, a Thunderbolt® (Apple, Inc.) connection, a USBconnector, a Micro USB connector, an HDMI™ (High-Definition MultimediaInterface) connector, an Ethernet connector, any other industry-standardconnector, or may include a remote-control unit or an audio connector.Also included may be modular charging devices such as battery blocks,wireless device chargers, supporting chargers for wearable devices suchas watches, and car chargers. Each component may be used to charge anelectronic device either alone or in conjunction with other components.Also included may be one or more electrical outlets on a front face sothat the use of the wall outlet is not lost. The wall charger issuitable for use in any major country and may be adapted to the outletconfiguration and voltage of those countries.

BRIEF DESCRIPTION OF THE DRAWINGS

A more complete appreciation of the invention and the variousembodiments thereof will be readily obtained as the same becomes betterunderstood by reference to the following detailed description whenconsidered in connection with the accompanying drawings. The drawingsare incorporated in, and constitute part of, this specification,illustrate several embodiments consistent with the invention and,together with the description, serve to explain the principles of theinvention.

FIG. 1A is a front elevation view of a wall-mounted charging device andmodular outlet extender in accordance with the present invention.

FIG. 1B is a rear elevation view of a wall-mounted charging device andmodular outlet extender in accordance with the present invention.

FIG. 1C is a side elevation view of a wall-mounted charging device andmodular outlet extender in accordance with the present invention.

FIG. 1D is a bottom plan view of a wall-mounted charging device andmodular outlet extender in accordance with the present invention.

FIG. 1E is a front schematic view of a wall-mounted charging device andmodular outlet extender showing the internal electronics in accordancewith the present invention.

FIG. 1F is a perspective view of a wireless charger for use with awall-mounted charging device and modular outlet extender in accordancewith the present invention.

FIG. 1G is an elevation view of a wireless charger for use with awall-mounted charging device and modular outlet extender in accordancewith the present invention.

FIG. 1H is an elevation view of a wireless charger for use with awall-mounted charging device and modular outlet extender in accordancewith the present invention.

FIG. 2A is a perspective view of a wireless charger for use with acharging system in accordance with the present invention.

FIG. 2B is a schematic view of a wireless charger for use with acharging system in accordance with the present invention showinginternal electronics.

FIG. 2C is a rear elevation view of a wireless charger for use with acharging system in accordance with the present invention.

FIG. 2D is a bottom plan view of a wireless charger for use with acharging system in accordance with the present invention.

FIG. 2E is a front elevation view and partial schematic of a wirelesscharger in use with a wall mounted charging device in accordance withthe present invention.

FIG. 2F is a front elevation view of a wireless charger on a batteryblock charging device in accordance with the present invention.

FIG. 2G is a side elevation view of a wireless charger in aself-supporting use with a battery block charging device in accordancewith the present invention.

FIG. 2H is a rear perspective view of a wireless charger with a rearsupport deployed and a charge cable attached to a wireless charger inaccordance with the present invention.

FIG. 3A is a lower perspective view of an accessory battery packsuitable for use with a modular charging system in accordance with thepresent invention.

FIG. 3B is a front schematic view of an accessory battery pack showingthe internal electronics suitable for use with a modular charging systemin accordance with the present invention.

FIG. 3C is a bottom plan view of an accessory battery pack suitable foruse with a modular charging system in accordance with the presentinvention.

FIG. 3D is a bottom plan view and partial schematic of an accessorybattery pack suitable for use with a modular charging system inaccordance with the present invention.

FIG. 3E is a lower perspective view of an accessory battery packsuitable for use with a modular charging system in accordance with thepresent invention.

FIG. 3F is an upper perspective view of a connection cable suitable foruse with accessories in accordance with the present invention.

FIG. 4A is a perspective view of an accessory car charger suitable foruse with a modular charging system in accordance with the presentinvention.

FIG. 4B is a side schematic view of an accessory car charger suitablefor use with a modular charging system in accordance with the presentinvention.

FIG. 4C is a bottom plan view of an accessory car charger suitable foruse with a modular charging system in accordance with the presentinvention.

FIG. 4D is a top plan view of an accessory car charger suitable for usewith a modular charging system in accordance with the present invention.

FIG. 4E is a side elevation view of an accessory car charger suitablefor use with a modular charging system in accordance with the presentinvention.

FIG. 4F is a front elevation view and partial schematic of an accessorycar charger mounted to an underside of an outlet wall-mounted chargingdevice, with a wireless charge unit mounted to the top side inaccordance with the present invention.

FIG. 4G is a front elevation view of an accessory car charger mounted toan accessory battery unit in accordance with the present invention.

FIG. 5A is an upper perspective view of a portable charger unit for awearable device in accordance with the present invention.

FIG. 5B is a schematic view of a portable charger for a wearable deviceunit in accordance with the present invention.

FIG. 5C is a lower elevation view of a portable charger unit for awearable device in accordance with the present invention.

FIG. 5D is a side elevation view of a portable charger unit for awearable device in accordance with the present invention.

FIG. 5E is a front elevation view and partial schematic of a portablecharger unit for a wearable device mounted to the underside of an outletwall-mounted charging device, with a wireless charge unit mounted to thetop side in accordance with the present invention.

FIG. 5F is a front elevation view of a portable charger unit for awearable device mounted to a battery block in accordance with thepresent invention.

FIG. 6A is a lower perspective view of an Apple Lightening® (Apple,Inc.) style charge tip for use with a wall charger of a modular chargingsystem in accordance with the present invention.

FIG. 6B is a plan view of an Apple® Lightening style charge tip for usewith the wall charger of the modular charging the present invention;

FIG. 6C is a plan view of an USB-C style charge tip for use with thewall charger of the modular charging the present invention;

FIG. 6D is a lower plan view of a charge tip showing a USB-C connectorfor use with the wall charger of the modular charging the presentinvention;

FIG. 7A shows a schematic view of one layout for magnetic attractionbetween adjacent devices;

FIG. 7B shows another schematic view of one layout for magneticattraction between adjacent devices.

FIG. 7C shows yet another schematic view of one layout for magneticattraction between adjacent devices.

DETAILED DESCRIPTION AND PREFERRED EMBODIMENTS OF THE INVENTION

The wall mounted charging device of the present invention enables acharging station to be provided on a wall outlet without obstructing thereceptacle of the outlet. The charging device of the present inventionprovides a utilitarian and aesthetically pleasing solution to the issueof blocked receptacles, wire tangles and unsightly wall mountedchargers. The charging device of the present invention may be doubled upto provide two or more charging stations. The device also is availablewith multiple charging tips to provide flexibility in charging devicesof different generations and different manufacturers, essentially anyrechargeable device may be installed on the wall charger with a suitablecharging tip installed.

FIG. 1A shows a wall-mounted charging device and modular outlet extenderof the present invention in which the base charging device 10 includes afront face 12, a top wall 14, a right-side wall 16, a bottom wall 18,and a left side wall 20. Front face includes an outlet plate thatincludes two outlets 22, each with a 120V AC “hot” receptacle 24, aneutral receptacle 26 and ground receptacle 28. In top wall, areceptacle (not shown) is formed for receiving any of a number ofcharging tips suitable for use with various electronic components. The120V AC and receptacle configuration shown is typically suitable for usein North America, it is within the scope of this invention toaccommodate voltages and receptacle configurations for world-wide usage.Charging device 10 is mounted to a wall outlet and protrudes from thewall by a minimal distance. The receptacle, with a charging tipinstalled forms a charging dock that allows an electronic device to beplaced atop charging device so that the device is charged in aconvenient location without obstructing the outlets on outlet plate.

The top surface receptacle is formed for receiving a number of chargingtips suitable for use with various electronic components. A charging tipinstalled forms a charging dock that allows an electronic device to beplaced atop charging device so that the device is charged in aconvenient location without obstructing the outlets on outlet plate.Also, on the top and/or bottom surface are electronic connections 30 tobe matched to connections on modular components as set forthhereinbelow. The electronic connections may be magnetized for a positiveconnection between the base and the modular components. Positive andnegative connections may be formed in either or both of the top surface14 and bottom surface 18. Modular components may be connected to the topsurface 14 and/or bottom surface 18 for charging power storage in thosemodular components or allowing the attached modular components to powerconnected devices. One suitable connection includes extensions 30 on thetop and bottom surfaces of the base charging unit a number of indents230 on one surface of accessories 200 (shown in FIG. 3A) and a number ofextensions 230 on the bottom surface such that the indents andextensions mate to form an electrical connection. The accessories may bestacked such that the extensions 230 mate with the indents of a secondaccessory. While the connections may be of any suitable shape, separateshapes for the positive and negative connections may be preferred suchthat adjacent devices align with the proper polarity. In one preferredform, one half of the extensions may have a circular cross-section,while the other half of the extensions have a square or rectangularcross-section. Similarly, one half of the indents may have a circularcross-section, while the other half of the indents have a square orrectangular cross-section.

FIG. 1B shows the rear face 33 of the wall-mounted charging device andmodular outlet extender of the present invention in which the chargingdevice 10 includes, a top wall 14, a right-side wall 16, a bottom wall18, and a left side wall 20. The rear face includes an outlet plate thatincludes two sets of connections, each with a 120V AC “hot” blade 34, aneutral blade 36 and ground blade 38. The 120V AC configuration shown istypically suitable for use in North America, it is within the scope ofthis invention to accommodate voltages and receptacle configurations forworldwide usage. Rear face 33 may include retaining sections 40 forcharge tips and a tip release button 42. Top wall 14 and bottom wall 18include extension type, electronic connections 30 to be matched toconnections on modular components as set forth hereinbelow.

FIG. 1C shows the right face 16 of the wall-mounted charging device andmodular outlet extender 10 of the present invention in which thecharging device 10 includes, a top wall 14, a right-side wall 16, abottom wall 18, and a left side wall 20 (not shown). The rear faceincludes two sets of connections, each with a 120V AC “hot” blade 34, aneutral blade 36 and ground blade 38. Top wall 14 and bottom wall 18include extension type, electronic connections 30 to be matched toindent type electronic connections on modular components as set forthhereinbelow.

FIG. 1D shows the bottom face 18 of the wall-mounted charging device andmodular outlet extender 10 of the present invention in which thecharging device 10 includes, a top wall 14 (not shown), a right-sidewall 16, a bottom wall 18, and a left side wall 20. The rear faceincludes two sets of connections, each with a 120V AC “hot” blade 34, aneutral blade 36 and ground blade 38. Bottom wall 18 include extensiontype, electronic connections 30 in offset square and rectangularcross-sections to be matched to connections on modular components as setforth hereinbelow. Also included in bottom face 18 are connection ports31, such as USB ports of any type. USB-A or USB-C are typicallypreferred; however, any desired port mat be used.

FIG. 1E shows a schematic view of a wall-mounted charging device andmodular outlet extender of the present invention in which the chargingdevice 10 includes a front face 12, a top wall 14, a right-side wall 16,a bottom wall 18, and a left side wall 20. Front face includes an outletplate that includes two outlets 22, each with a 120V AC “hot” receptacle24, a neutral receptacle 26 and ground receptacle 28. In top wall, areceptacle (not shown) is formed for receiving any of a number ofcharging tips suitable for use with various electronic components. The120V AC and receptacle configuration shown is typically suitable for usein North America, it is within the scope of this invention toaccommodate voltages and receptacle configurations for worldwide usage.Charging device 10 is mounted to a wall outlet and protrudes from thewall by a minimal distance. The receptacle, with a charging tipinstalled forms a charging dock that allows an electronic device to beplaced atop charging device so that the device is charged in aconvenient location without obstructing the outlets on outlet plate. Thetop surface receptacle 72 is formed for receiving a number of chargingtips 70 suitable for use with various electronic components. A chargingtip 70 installed forms a charging dock that allows an electronic deviceto be placed atop charging device so that the device is charged in aconvenient location without obstructing the outlets on outlet plate. Asdiscussed below, the side sections of tip 70 may include serratedsections which a congruent toothed section within receptacle 72 suchthat release button 42 disengages the serrated section from the toothedsection in receptacle 72 to allow the tip to be replaced. Top surface 14includes extension type, electronic connections 30 to be matched toindent type electronic connections on modular components as discussedbelow. The lower surface includes a number of extension type electronicconnections 30 to be matched to connections on modular components as setforth hereinbelow. The electronic connections may be magnetized for apositive connection between the base and the modular components.Positive and negative connections may be formed in either or both of thetop surface 14 and bottom surface 18. Modular components may beconnected to the top surface 14 and/or bottom surface 18 for chargingpower storage in those modular components or allowing the attachedmodular components to power connected devices. Power bank is a devicethat stores power in a Li-Ion battery. It is being increasingly used asreserve charger for handheld/portable devices like mobile phones,tablets etc. A typical power bank includes a charging circuit toimplement the charging logic for a Lithium-Ion battery. A batteryprotection circuit to inhibit over charge and implement over temperatureprotections during charging and inhibit over discharge. A BoostConverter that steps up the incoming 3V-4.2V battery voltage to 5V. Alsoincluded are controller functions to monitor and control output voltage,measures battery voltage and monitors load current. and illuminatesstatus LEDs to display battery level of other statuses.

A power adapter 50 such as an iWatt iW1691-03 Adapter having an AC inputof 90-264 VAC and an output of 5V at 2.1 AMPs may be used. Any othersuitable power adapter may be used. Leads 52, 54 connect power adaptor50 to receptacle 24, 26 and blades 34, 36. Power adapter 50 is alsoconnected to leads 54, 56, 58, 60 and 62 to power the connections, 30,31 on the bottom wall 18. Leads 64, 66 power connections 30 on the topwall 14 and lead 68 powers connection port 72, into which tip 70 may beinserted. Any other low voltage connections formed in the front face,top wall, sidewalls, or bottom wall may be connected to power adapter50.

The specifications for the iW1691-03 adapter are shown in Table 1 below:

TABLE 1 Description Symbol Min Typ Max Units Input Voltage V_(IN) 90 264V_(AC) Frequency f_(LINE) 47 50/60 63 Hz No-load input power 150 mW (230V_(AC)) Output Output voltage V_(OUT) 4.85 5.25 V Output current I_(OUT)0 2.1 A Output ripple voltage V_(RIPPLE) 100 mV_(P) _(—) _(P) TotalOutput Power Continuous output power P_(OUT) 10.5 W Over-currentprotection I_(OUT MAX) 2.5 A Active mode protection η 80 %

While the power adapter chip 50 is preferably an adapter, any of aground fault interrupter, a surge protector, a mechanical powerinterruption switch, or a WiFi extender may be included. The powersupply may also be connected to a remote-control unit, thunderbolt, USB,Micro USB, HDMI, Ethernet connector formed in one of the walls.Generally power controllers include sensor ICs, cell controller ICs, andcharger ICs that provide configuration flexibility withfactory-programmable parameters such as output voltage and inputover-voltage protection; Constant current (CC) and constant voltage (CV)charge modes; Trickle charge current and trickle charge voltagethresholds; EOC current and timeout; verification filter timing; andRecharge and thermal foldback thresholds. Other suitable controllersinclude the MC34671 and MC34674 single cell battery travel chargeravailable from NXP Semiconductors. AC-DC Controllers which includeSwitched Mode Power Supply (SMPS) controllers, automatic discharge forlow-power X capacitors, and Synchronous Rectifier (SR) controllers forswitched mode power supplies with adaptive gate drive may also bepreferred.

FIG. 1F shows a UK style wall-mounted charging device and modular outletextender of the present invention in which the charging device 10UKincludes a front face 12, a top wall 14, a right-side wall 16, a bottomwall 18, and a left side wall 20. Front face includes an outlet plate 22that includes two outlets, each with a 240V AC “hot” receptacle 24, aneutral receptacle 26 and ground receptacle 28. In top wall, areceptacle 72 is formed for receiving any of a number of charging tipssuitable for use with various electronic components. The 240V AC andreceptacle configuration shown is typically suitable for use in theUnited Kingdom, it is within the scope of this invention to accommodatevoltages and receptacle configurations for world-wide usage.

FIG. 1G shows a French/Belgium style wall-mounted charging device andmodular outlet extender of the present invention in which the chargingdevice 10FR includes a front face 12, a top wall 14, a right-side wall16, a bottom wall 18, and a left side wall 20. Front face includes anoutlet plate 22 that includes an outlet, each with a 230V AC “hot”receptacle 24, a neutral receptacle 26 and ground receptacle 28. In topwall, a receptacle (not shown) is formed for receiving any of a numberof charging tips suitable for use with various electronic components.Top face 14 and bottom face 18 includes electrical connectors 30 andoptionally universal type connectors (not shown). The 230V AC andreceptacle configuration shown is typically suitable for use in France,it is within the scope of this invention to accommodate voltages andreceptacle configurations for world-wide usage.

FIG. 1H shows a European Union style wall-mounted charging device andmodular outlet extender of the present invention in which the chargingdevice 10EU includes a front face 12, a top wall 14, a right-side wall16, a bottom wall 18, and a left side wall 20. Front face includes anoutlet plate 22 that includes an outlet, each with a 230V AC “hot”receptacle 24, a neutral receptacle 26 and ground receptacle 28. In topwall, a receptacle (not shown) is formed for receiving any of a numberof charging tips suitable for use with various electronic components.Top surface 14 and bottom surface 18 include electrical connectors 30and optionally universal type connectors (not shown). The 230V AC andreceptacle configuration shown is typically suitable for use in manyparts of the EU, it is within the scope of this invention to accommodatevoltages and receptacle configurations for world-wide usage.

FIG. 2A shows a wireless electronic device charger 100, having a frontface 110 which serves as a charging support, right wall 114, left wall116, shelf 112 on cradle 118, and a low surface 120 including powerinputs 130 (not shown). Wireless charger 100 includes a radio frequencyoutput for charging an electrical device mounted on cradle 118wirelessly. Wireless charger 100 rests on the top surface 14 of thecharge base 10 and provides a shelf 112 for receiving an electronicdevice such that a wireless RF connection is made in order to charge theelectronic device.

FIG. 2B shows the circuitry within the wireless charger that convertsthe low voltage input from the base unit to an RF signal. The wirelesselectronic device charger 100, having a front face 110, right wall 114,left wall 116, shelf 112 on cradle 118, and a low surface 120 includingindent type power inputs 130. Wireless charger 100 includes a radiofrequency output 138 for charging an electrical device mounted on cradle118 wirelessly. The wireless charger may be connected to anothercomponent of the system of the present invention such to a battery blockcharging device 200, the wall charger 10, the car charger 300 or thewearable charger 400 by electrical connections 130 formed in the basewall 120. Leads 132 link electrical connections 130 to power adapter 134to power the wireless coils. One suitable wireless system is known asthe Qi standard for low power inductive transfers to deliver power below5 W using inductive coupling between two planar coils. Leads connectpower adaptor to electrodes on a surface of the battery. The wirelesscharging transmitter is typically powered by an input DC rail of 5 V to19 V, from a USB port or an AC/DC power adapter. The transmitter has acoil to transfer power by electromagnetic induction. Some transmitterssupport multi-coil arrays, driven by separate bridges which areautomatically selected to deliver the highest coupled power into thewireless power receiver. The induced power is coupled to the wirelesspower receiver, which has a similar coil to collect the incoming power.The receiver rectifies the power by means of diode rectifiers, usuallymade of FETs for improving the efficiency. It also filters the powerusing ceramic output capacitors, and then applies it to the battery thatneeds to be charged, either through a linear stage or a switchingregulator. The battery inside the portable device receives the power andcharges up. The receiver can command the transmitter to adjust thecharging current or voltage, and to stop transmitting power completelywhen end of charge is indicated. The electrodes are linked to a circuitboard that converts the low voltage current input to an RF output. TheRF signal charges the electronic device. The power controller 134 mayalso include power management features to monitor the battery during thecharging process to cut off the RF signal when the battery is at fullcharge.

FIG. 2C shows the rear face 122 of wireless charger 100. The wirelesselectronic device charger 100, having a front face 110 (not shown),right wall 114, left wall 116, shelf 112 (not shown) on cradle 118 (notshown), and a lower surface 120 including indent type power inputs 130.Hinged support 124 may be included to allow charger 100 to standindependently. The wireless charger 100 may be connected to anothercomponent of the system of the present invention such as a battery blockcharging device 200. Wireless electronic device charger 100 maytypically be a universal receiver of power so that it includes indenttype power inputs 130 on the lower surface 120 and rear surface 122.

FIG. 2D shows the bottom wall 122 of wireless charger 100. The wirelesselectronic device charger 100, having a front face 110 (not shown),right wall 114, left wall 116, shelf 112 on cradle 118 (not shown), anda lower surface 120 including indent type power inputs 130. Hingedsupport 124 may be included to allow charger 100 to stand independently.The wireless charger 100 may be connected to another component of thesystem of the present invention such as a battery block charging device200.

FIG. 2E shows a wireless electronic device charger 100 mounted on a wallcharger 10 in accordance with the present invention. The wirelesscharger 100 includes front face 110, right wall 114, left wall 116,shelf 112 on cradle 118, and a low surface 120 including power inputs130. Wireless charger 100 is shown on top surface 14 of the charge base10 and provides a shelf 112 for receiving an electronic device such thata wireless RF connection is made in order to charge the electronicdevice. The charging device 10 includes a front face 12, a top wall 14,a right-side wall 16, a bottom wall 18, and a left side wall 20. Frontface 12 includes an outlet plate that includes two outlets 22, each witha 120V AC “hot” receptacle 24, a neutral receptacle 26 and groundreceptacle 28. In top wall 14, a receptacle (not shown) is formed forreceiving any of a number of charging tips suitable for use with variouselectronic components. It is also possible to omit the power manager 134in wireless charger 100 by selection of a power adapter 50 in wallcharger 10 that is suitable for use with the wireless antenna under theQi standard or any other wireless system. Extension type electricalconnections 30 of base charging unit 10 mate with indent type electricalconnections 130 on electronic device charger 100.

FIG. 2F shows a wireless electronic device charger 100 mounted on abattery block 200 in accordance with the present invention. The wirelesscharger 100 includes front face 110, right wall 114, left wall 116,shelf 112 on cradle 118, and a lower surface 120 (not shown) includingindent type power inputs 130. Wireless charger 100 is shown linked tothe top surface battery block 200 as disclosed hereinbelow. Wirelesscharger 100 provides a shelf 112 for receiving an electronic device suchthat a wireless RF connection is made in order to charge the electronicdevice.

FIG. 2G shows a wireless electronic device charger 100 mounted on abattery block 200 in accordance with the present invention. The wirelesscharger 100 includes front face 110, right wall 114, left wall 116 (notshown), shelf 112 on cradle 118, lower surface 120 and rear wall 122including indent type power inputs 130 (as shown in FIG. 2C). Wirelesscharger 100 is shown linked to the top surface battery block 200 asdisclosed hereinbelow. Linking the rear face 122 of wireless charger 100to battery block 200 provides a free-standing charger 100.

FIG. 2H shows a wireless electronic device charger 100 connected to apower supply 162 such as USB cable. The wireless charger 100 includesfront face 110, right wall 114, left wall 116 (not shown), shelf 112 oncradle 118, lower surface 120 and rear wall 122 including indent typepower inputs 130. Lowering support 124 from rear face 122 of wirelesscharger 100 exposes a connection, such as a USB port, and provides afree-standing wireless charger 100 having a constant power source viacable 162.

FIG. 3A shows a stackable battery block, power component 200 that may beattached to a wall mounted charger and other associated components. Thebattery block 200 is suitable for charging electronic components such asphones, tablets, readers, and other low voltage devices via flexiblecable 220. Battery block 200 includes a housing having front wall 210,top wall 212, left wall 214, right wall 215, rear wall 218 and bottomwall 216 with indent type power inputs 230 on bottom wall 216. At leastone connector cable 220 may be included within battery block 200. Cable220 may either be permanently connected to the battery block 200 orconnected via a serial port (not shown). Cable 220 is preferableinstalled in a recess 220 formed in the battery block 200.

FIG. 3B shows a schematic of a battery block, power component 200 usefulwith the associated components of the present invention. Battery block200 includes front wall 210, top wall 212, left wall 214, right wall215, rear wall 218 and bottom wall 216. At least one connector cable 220may be included within battery block 200. A number of linked batterycells 260 are included within battery block 200. Cells 260 may be linkedin series or parallel, or in a combination of serial and parallel toprovide the desired output. Integrated circuit power managers 250 aredesigned for various cell combinations and may monitor each cellindividually and the output of the linked cells. The US Federal AviationAdministration limits carryon battery power blocks 200 to a capacity of27,000 mAh, which is generally considered an upper limit for broadacceptance, however larger battery blocks 200 may be made and sold foruse not limited by the FAA regulations. Battery leads 246 link thepositive and negative terminals of the power pack and provide powerinput to controller 250 and information to monitor the power output andremaining charge in cells 260. Leads 242 transfer power to extensiontype electrical connectors 230 and from indent type power inputs 230.Another set of leads 240 provide power to cable 220 via serial port 238.As shown, cable 220 may include a central shaft 226 having a distal end224 having a serial connection 224 such as a USB-C connector on theproximal end. Distal end 224 is placed in power component 200 such thatserial connection 237 is mated to a bus 238. A separate connector 222 atthe distal end 232, such as a USB or Apple® Lightening connector. Cable200 may also include a permanent magnet 234 which is attracted topermanent magnet 236 mounded within battery block 200 to releasablyretain distal end 232 within recess 220. Battery block 200 is suitablefor charging electronic components such as phones, tablets, readers, andother low voltage devices via flexible cable 220. Separate cables may beused so that block 200 may charge devices having different power inputs.

FIG. 3C shows a schematic of a battery block, power component 200 usefulwith the associated components of the present invention. Battery block200 includes front wall 210, top wall 212, left wall 214, right wall215, rear wall 218 and bottom wall 216. At least one connector cable 220may be included within battery block 200. Indent type electricalconnectors 230 may be used to link block 200 to other components in themodular charging system of the present invention. As shown, cable 220may include a central shaft 226 having a serial connection 238, such asa USB-C connector on the proximal end and a separate connector 222 atthe distal end 232, such as a USB or Apple® Lightening connector. Cable200 may also include a permanent magnet 234 which is attracted topermanent magnet 236 mounded within battery block 200 to releasablyretain distal end 232 within recess 220. Battery block 200 is suitablefor charging electronic components such as phones, tablets, readers, andother low voltage devices via flexible cable 220. Separate cables may beused so that block 200 may charge devices having different power inputs.

FIG. 3D shows a battery block 200 mounted on a wall charger 10 inaccordance with the present invention. The battery block 200 includesfront face 210, right wall 216, left wall 214, top wall 212 includingindent type power inputs 230, and a bottom surface 216 includingextension type electrical connections 230. Battery block 200 is shown onbottom wall 18 of the charge base 10 The charging device 10 includes afront face 12, a top wall 14, a right-side wall 16, a bottom wall 18,and a left side wall 20. Front face 12 includes an outlet plate thatincludes two outlets 22, each with a 120V AC “hot” receptacle 24, aneutral receptacle 26 and ground receptacle 28. The connections may bemagnetized for secure connection to a charging base or the housing mayinclude magnets for providing the connection. In the event that theconnector pins are magnetic it may be useful to have an electronicallyconducting coating on the pins rather than relying on the magneticmaterial as the conductor. A charge indicator, such as: LEDs or LCDs maybe included in the housing to indicate that a connection is made with acharging base or the status of the charge in the stackable power device.The housing of the battery block 200 includes corresponding magnets sothat the power device may be removably but securely connected to thecharging device. Leads 52, 54 connect power adaptor 50 to receptacle 24,26 and blades 34, 36. Power adapter 50 is also connected to leads 54,56, 58, 60 and 62 to power the connections, 30, 31 on the bottom wall18. Leads 64, 66 power extension type electrical connections 30 on thetop wall 14 and lead 68 powers connection port 72, into which tip 70 maybe inserted. Any other low voltage connections formed in the front face,top wall, sidewalls, or bottom wall may be connected to power adapter50. Indent type power connections 230 in battery block 200 connect toextension type power connections 30 in the wall charger 10 to charge thecells within the battery block 200. Battery block 200 may include apermanent magnet in the housing 200 or each connection 230 may bemagnetized to provide a sturdy, but easily removable connection.

FIG. 3E shows a stackable battery block, power component 200 that may beattached to a wall mounted charger and other associated components. Thebattery block 200 is suitable for charging electronic components such asphones, tablets, readers, and other low voltage devices. Battery block200 includes a housing having front wall 210, top wall 212, left wall214, right wall 215, rear wall 218 and bottom wall 216 with indent typeelectrical connections 230 therein. Any number of outputs may beincluded in top wall 212, a 12V output 280, suitable for connection tojumper cables to start a motor vehicle, a USB-A 282, and USB-C 284connections are also shown. LED or LCD power monitor lights 286.

FIG. 3F shows one form of cable 220 that may include a central shaft 226having a distal end 224 having a serial connection 224 such as a USB-Cconnector on the proximal end. Distal end 224 is placed in a powercomponent 200 such that serial connection 237 is mated to a bus 238. Aconnector 222 such as a USB or Apple® Lightening connector is positionedat the distal end 232 of cable 200. Cable 200 may also include apermanent magnet 234 which is attracted to permanent magnet 236 moundedwithin battery block 200 to releasably retain distal end 232 withinrecess 220 of any of devices shown.

FIG. 4A shows a portable car charger, power component 300 for use in avehicle 12V charger. Car charger 300 is suitable for charging electroniccomponents such as phones, tablets, readers, and other low voltagedevices. Car charger, power component 300 includes a battery storage soa device such as a cell phone may be charged when the vehicle isimmobile on the side of the road with a failed electrical system. Carcharger 300 includes a housing having front wall 310, top wall 312, leftwall 314, right wall 315, rear wall 318 and bottom wall 316. Indent typeelectrical connections 330 are shown in top wall 312. The electricalconnections 330 may have circular and square cross sections as shown. Abarrel 380 extends from left wall 314 for insertion into a vehicle 12Vcharge port. Contacts 382, 384 extend from barrel 380 to make anelectrical connection with the vehicle 12V port. Charge monitorindicators 386 such as LED or LCDs. Power outputs 388, such as USB-A orUSB-C and a LED flashlight may be included on the left wall 315.

FIG. 4B shows a schematic of a car charger, power component 300 usefulwith the associated components of the present invention. Car charger,power component 300 includes top wall 312, left wall 314, right wall315, rear wall 318 (not shown) and bottom wall 316. A number of linkedbattery cells 360 are included within car charger, power component 300.Cells 360 may be linked in series or parallel, or in a combination ofserial and parallel to provide the desired output. Integrated circuitpower managers 350 are designed for various cell combinations and maymonitor each cell individually and the output of the linked cells.Battery leads 346 link the positive and negative terminals of the powerpack and provide power input to controller 350 and information tomonitor the power output and remaining charge in cells 360. Leads 342provide power to indent type electrical connections 330, shown in topwall 312 and extension type electrical connections 330, shown in bottomwall 316. Leads 392 provide power to bus connections 392 and lead 394connects power manager 350 to LED flashlight 390. Barrel contacts 382,384 are linked to power controller 350 via leads 396, 398 to make theelectrical connection with the vehicle 12V port.

FIG. 4C shows a schematic of a car charger, power component 300 usefulwith the associated components of the present invention. Car charger,power component 300 includes front wall 310, top wall 312 (not shown),left wall 314, right wall 315, rear wall 318 and bottom wall 316. Atleast one connector cable 320 may be included within car charger, powercomponent 300. Electrical connectors 330 may be used to link carcharger, power component 300 to other components in the modular chargingsystem of the present invention. As shown, cable 320 may include acentral shaft 326 having a serial connection 338, such as a USB-Cconnector on the proximal end and a separate connector 322 at the distalend 332, such as a USB or Apple® Lightening connector. Cable 320 mayalso include a permanent magnet 234 which is attracted to permanentmagnet 236 (as shown in FIG. 3B) mounded within car charger, powercomponent 300 to releasably retain distal end 332 within recess 320. Carcharger, power component 300 is suitable for charging electroniccomponents such as phones, tablets, readers, and other low voltagedevices via flexible cable 320. Separate cables may be used so that carcharger, power component 300 may charge devices having different powerinputs.

FIG. 4D shows a schematic of a car charger, power component 300 usefulwith the associated components of the present invention. Car charger,power component 300 includes front wall 310, top wall 312, left wall314, right wall 315, rear wall 318 and bottom wall 316. Electricalconnectors 330 may be used to link car charger, power component 300 toother components in the modular charging system of the presentinvention. LED flashlight 390 may be included on right wall 315 foremergency light. Barrel 380 extends from left wall 314 for insertioninto a vehicle 12V charge port. Contacts 382, 384 extend from barrel 380to make an electrical connection with the vehicle 12V port.

FIG. 4E shows a schematic of a car charger, power component 300 usefulwith the associated components of the present invention. Car charger,power component 300 includes front wall 310, top wall 312, left wall 314(not shown), right wall 315, rear wall 318 and bottom wall 316.Extension type electrical connectors 330 on bottom wall 316 and indenttype electrical connections (not shown) on top wall 312 may be used tolink car charger, power component 300 to other components in the modularcharging system of the present invention. Bus connections 388, such asUSB-A or USB-C and LED flashlight 390 and may be included on right wall315. Barrel 380 extends from left wall 314 for insertion into a vehicle12V charge port. Contacts 382, 384 extend from barrel 380 to make anelectrical connection with the vehicle 12V port.

FIG. 4F shows a car charger, power component 300 includes front wall310, top wall 312, left wall 314, right wall 315, rear wall 318 (notshown) and bottom wall 316. Indent type electrical connectors 330 on topwall 312 (obscured) are used to link car charger, power component 300 tothe bottom wall 18 of a wall charger 10 The charging device 10 includesa front face 12, a top wall 14, a right-side wall 16, a bottom wall 18,and a left side wall 20. Front face 12 includes an outlet plate thatincludes two outlets 22, each with a 120V AC “hot” receptacle 24, aneutral receptacle 26 and ground receptacle 28. The connections may bemagnetized for secure connection to a charging base or the housing mayinclude magnets for providing the connection. In the event that theconnector pins are magnetic it may be useful to have an electronicallyconducting coating on the pins rather than relying on the magneticmaterial as the conductor. The housing of the car charger, powercomponent 300 includes corresponding magnets so that the power device300 may be removably but securely connected to the charging device.Leads 52, 54 connect power adaptor 50 to receptacle 24, 26 and blades34, 36. Power adapter 50 is also connected to leads 54, 56, 58, 60 and62 to power the extension type connections 30, and USB type connections31 on the bottom wall 18. Leads 64, 66 power extension type connections30 on the top wall 14 and lead 68 powers connection port 72, into whichtip 70 may be inserted. Any other low voltage connections formed in thefront face, top wall, sidewalls, or bottom wall may be connected topower adapter 50. Power connections 330 in car charger, power component300 connect to power connections 30 in the wall charger 10 to charge thecells within the car charger, power component 300. Car charger, powercomponent 300 may include a permanent magnet in the car charger, powercomponent 300 or each connection 330 may be magnetized to provide asturdy, but easily removable connection. LED flashlight 390 may beincluded on right wall 315 for emergency light. Barrel 380 extends fromleft wall 314 for insertion into a vehicle 12V charge port. Contacts382, 384 extend from barrel 380 to make an electrical connection withthe vehicle 12V port.

FIG. 4G shows a car charger, power component 300 includes front wall310, top wall 312, left wall 314, right wall 315, rear wall 318 (notshown) and bottom wall 316 connected to a battery pack 200. An LEDflashlight 390 may be included on right wall 315 for emergency light.Barrel 380 extends from left wall 314 for insertion into a vehicle 12Vcharge port. Contacts 382, 384 extend from barrel 380 to make anelectrical connection with the vehicle 12V port. Extension typeelectrical connectors 330 on bottom wall 316 (obscured) are used to linkcar charger, power component 300 to indent type electrical connectors230 (also obscured) on top wall 212 of a battery block 200.

FIG. 5A shows a wearable device charger 400 suitable for use on with thecharging system of the present invention. For example, wearable devicecharger 400 may be mounted on any of the charge carrying devices of thepresent system. Wearable device charger 400 includes a battery storageso a device such as a wearable device may be without a power cord ofcharge base. Wearable device charger 400 includes front wall 410, topwall 412, left wall 414, right wall 415, rear wall 418 and bottom wall416. A retractable device support 380 extends from front wall 410. Thewearable device is placed on retractable support 380 to provide power tothe wearable device. Indent type electrical contacts 430 are shown ontop wall 412. As shown, the contacts may have either a circular orsquare cross section. Charge monitor indicators 486 such as LED or LCDs.

FIG. 5B shows a schematic of a wearable device charger 400 useful withthe associated components of the present invention. Wearable devicecharger, power component 400 includes top wall 412, left wall 414, rightwall 415, rear wall 418 (not shown) and bottom wall 416. A number oflinked battery cells 460 are included within wearable device charger400. Cells 460 may be linked in series or parallel, or in a combinationof serial and parallel to provide the desired output. Integrated circuitpower managers 450 are designed for various cell combinations and maymonitor each cell individually and the output of the linked cells.Battery leads 446 link the positive and negative terminals of the powerpack and provide power input to controller 450 and information tomonitor the power output and remaining charge in cells 460. Leads 442provide power to indent type and extension type electrical connectors430 in opposed walls 412, 416.

FIG. 5C shows a wearable device charger 400 useful with the associatedcomponents of the present invention. wearable device charger 400includes front wall 410, top wall 412 (not shown), left wall 414, rightwall 415, rear wall 418 and bottom wall 416. At least one connectorcable 420 may be included within wearable device charger 400. Indenttype and extension type electrical connectors 430 in opposed walls 412,416 may be used to link wearable device charger 400 to other componentsin the modular charging system of the present invention. As shown, cable420 may include a central shaft 426 having a serial connection 438, suchas a USB-C connector on the proximal end and a separate connector 422 atthe distal end 432, such as a USB or Apple® Lightening connector. Cable420 may also include a permanent magnet 234 which is attracted topermanent magnet 236 (as shown in FIG. 3B) mounted within wearabledevice charger 400 to releasably retain distal end 432 within recess417. wearable device charger 400 is suitable for charging electroniccomponents such as phones, tablets, readers, and other low voltagedevices via flexible cable 420. Separate cables may be used so that carcharger, power component 400 may charge devices having different powerinputs. Wearable device charger 400 includes charging support 480mounted on a damped hinge 482 such that support 480 is depressed brieflyto unlock hinge 482 and allow support 480 to deploy.

FIG. 5D shows a wearable device charger 400 useful with the associatedcomponents of the present invention. wearable device charger 400includes front wall 410, top wall 412, left wall 414 (not shown), rightwall 415, rear wall 418 and bottom wall 416. Indent type and extensiontype electrical connectors 430 are located in opposed walls 412, 416.Wearable device charger 400 includes charging support 480 mounted on adamped hinge 482 such that support 480 is depressed briefly to unlockhinge 482 and allow support 480 to deploy.

FIG. 5E shows a wearable device charger 400 which includes front wall410, top wall 412, left wall 414, right wall 415, rear wall 318 (notshown) and bottom wall 416. Indent type electrical connectors 430 on topwall 412 (obscured) are used to link wearable device charger 400 toextension type electrical connectors 30 on bottom wall 18 (obscured) ofwall charger 10. The charging device 10 includes a front face 12, a topwall 14, a right-side wall 16, a bottom wall 18, and a left side wall20. Front face 12 includes an outlet plate that includes two outlets 22,each with a 120V AC “hot” receptacle 24, a neutral receptacle 26 andground receptacle 28. The connections may be magnetized for secureconnection to a charging base or the housing may include magnets forproviding the connection. In the event that the connector pins aremagnetic it may be useful to have an electronically conducting coatingon the pins rather than relying on the magnetic material as theconductor. The housing of wearable device charger 400 includescorresponding magnets so that the device charger 400 may be removablybut securely connected to the charging device. Leads 52, 54 connectpower adaptor 50 to receptacle 24, 26 and blades 34, 36. Power adapter50 is also connected to leads 54, 56, 58, 60 and 62 to power extensiontype electrical connections 30, and USB-type connections 31 on thebottom wall 18. Leads 64, 66 power extension type electrical connections30 on the top wall 14 and lead 68 powers connection port 72, into whichtip 70 may be inserted. Any other low voltage connections formed in thefront face, top wall, sidewalls, or bottom wall may be connected topower adapter 50. Indent type power connections 330 in wearable devicecharger 400 connect to extension type power connections 30 in the wallcharger 10 to charge the cells within the wearable device charger 400.Wearable device charger 400 may include a permanent magnet in thewearable device charger 400 or each connection 330 may be magnetized toprovide a sturdy, but easily removable connection.

FIG. 5F shows a wearable device charger 400 includes front wall 410, topwall 412, left wall 414, right wall 415, rear wall 418 (not shown) andbottom wall 416 connected to a battery pack 200. Electrical connectors430 on bottom wall 316 (obscured) are used to link wearable devicecharger 400 to electrical connectors 230 (also obscured) on top wall 212of a battery block 200.

FIG. 6A shows a connector tip 70 for use in the present invention.Charging tip 70 is installed to form a charging dock that allows anelectronic device to be placed atop charging device so that the deviceis charged in a convenient location without obstructing the outlets onoutlet plate. Connector tip 70 includes a generally barrel shaped body702 with side sections that include serrated sections 704 which mate toa congruent toothed section within receptacle 72 such that releasebutton 42 (shown in FIG. 1E) disengages the serrated section 704 fromthe toothed section in receptacle 72 to allow the tip to be replaced.Tip body 702 includes a bus connection 714 in the lower end andshoulders 716 for ease of insertion into receptacle 72. Shoulders 706may also be formed at the upper end of body 702. An Apple® Lighteningconnector is shown at the upper end of body 702. The Apple® Lighteningconnector includes an extension 708 and retention feature 712 andexternal contacts 710.

FIG. 6B shows a connector tip 70 for use in the present invention.Charging tip 70 is installed to form a charging dock that allows anelectronic device to be placed atop charging device so that the deviceis charged in a convenient location without obstructing the outlets onoutlet plate. Connector tip 70 includes a generally barrel shaped body702 with side sections that include serrated sections 704. Tip body 702includes a bus connection 714 (not shown) in the lower end and shoulders716 for ease of insertion into receptacle 72. Shoulders 706 may also beformed at the upper end of body 702. An Apple® Lightening connector isshown at the upper end of body 702. The Apple® Lightening connectorincludes an extension 708 and external contacts 710.

FIG. 6C shows a connector tip 70 for use in the present invention.Charging tip 70 is installed to form a charging dock that allows anelectronic device to be placed atop charging device so that the deviceis charged in a convenient location without obstructing the outlets onoutlet plate. Connector tip 70 includes a generally barrel shaped body702 with side sections that include serrated sections 704. Tip body 702includes a bus connection 714 (not shown) in the lower end and shoulders716 for ease of insertion into receptacle 72. Shoulders 706 may also beformed at the upper end of body 702. A USB-C connector is shown at theupper end of body 702.

FIG. 6A shows the base of a connector tip 70. Tip body 702 includes abus connection 714 in the lower end and shoulders 716 for ease ofinsertion into receptacle 72. A female USB-C connector 714 is shown witha recess 714′ surrounding the connection points.

FIG. 7A shows a schematic view of one layout for magnetic attractionbetween adjacent devices in which a first device 800 includes apermanent bar magnet 802, extension type electrical contacts 830 andleads 860. A second device 808 includes a permanent bar magnet 810,indent type electrical contacts 830 and leads 860 to contacts 830. Thearrows show the magnetic attraction between the bar magnets 802, 810,which connects devices 800, 808 in a secure yet easily releasablemanner. The indent type and extension type connections 830 arecompatible shapes such that the two connections nest or conform to aligndevices 840, 850 such that an electrical connection is made and power istransmitted between adjacent devices.

FIG. 7B shows a schematic view of one layout for magnetic attractionbetween adjacent devices in which a first device 820 includes magnetizedelectrical extension type contacts 830 and leads 860 to contacts 830. Asecond device 808 includes magnetized indent type electrical contacts830 and leads 860 to contacts 830. The arrows show the magneticattraction between the magnetic electrodes 830, which connects devices820, 830 in a secure yet easily releasable manner.

FIG. 7C shows a schematic view of one layout for magnetic attractionbetween adjacent devices in which a first device 840 includes permanentbar magnets 850 located proximate to electrical extension type contacts830 and leads 860 to contacts 830. A second device 850 includespermanent bar magnets 850 located proximate to indent type electricalcontacts 830 and leads 860 to contacts 830. The arrows show the magneticattraction between the bar magnets 850, which connects devices 800, 808in a secure yet easily releasable manner.

The present invention allows a number of the devices to be chargessimultaneously and allows a number of the devices to be connected to asingle charge base.

A pair of USB jacks, which may be received within the base charger unitand schematic electrical components that connect to electrical contactsin the base surface of the adapter. A portable battery unit may bemagnetically attached to the adapter for charging. Leads connect thejacks to a power adapter such as an iWatt iW1691-03 Adapter having an ACinput of 90-264 VAC and an output of 5V at 2.1 AMPs. Any other suitablepower adapter may be used. Leads connect power adaptor to the contactson the base of the adapter. A stackable power device may be magneticallyattached to the contacts. The jacks may be a standard USB, micro-USB,APPLE Lightening, USB-C, or any other auxiliary cable jack. The contactsmay be magnetized for secure connection to a charging base or thehousing may include a magnet for providing the connection. In the eventthat the connector pins are magnetic, it may be useful to have anelectronically conducting coating on the pins rather than relying on themagnetic material as the conductor. A charge indicator, such as LEDs orLCDs, may be included in the housing to indicate that a connection ismade with a charging base or the status of the charge in the stackablepower device.

The invention of this application has been described above bothgenerically and with regard to specific embodiments. Although theinvention has been set forth in what is believed to be the preferredembodiments, a wide variety of alternatives known to those of skill inthe art can be selected within the generic disclosure. The invention isnot otherwise limited, except for the recitation of the claims set forthbelow.

I claim:
 1. A modular system of charging devices configured to beconfigured to join separate charging devices, the system comprising: afirst charging device; and a second charging device, wherein: the firstcharging device comprises: first and second opposed major surfaces andfirst and second opposed minor surfaces; an electrical charging port onat least one minor surface, the electrical charging port adapted toconnect to a digital device; a magnetic connector suitable forphysically connecting the first charging device to the second chargingdevice; a first electrical connection for electrically connecting thefirst charging device to the second charging device; at least oneelectrical connection located on the first major surface; and at leastone electrical plug extending from the second major surface, andwherein: the second charging device comprises: first and second opposedmajor surfaces and first and second opposed minor surfaces; anelectrical charging port for connecting a digital device on at least oneminor surface; a magnetic connector adapted to physically connect to thefirst charging device; and a second electrical connection adapted toelectrically connect to the first electrical connection of the firstcharging device.
 2. The modular system of charging devices according toclaim 1, the modular system of charging devices further comprising athird charging device, the third charging device comprising: a base, thebase comprising one inclined major surface, the inclined major surfaceinclined from the base and a second major surface; a wireless coil, thewireless coil adapted to electrically charge a digital device proximatethe inclined major surface; and a magnetic connector adapted tophysically connect to the first and second charging devices.
 3. Themodular system of charging devices according to claim 2, wherein thethird charging device further comprises: an electrical charging port forconnection of a digital device; a magnetic connector adapted tophysically connect to the first and second charging devices; and asecond electrical connection adapted to electrically connect to thefirst electrical connection of the first charging device.
 4. The modularsystem of charging devices according to claim 1, wherein the secondcharging device electrical charging port is adapted to receive acharging cable.
 5. The modular system of charging devices according toclaim 1, wherein a first charging device minor surface faces generallyupward and comprises at least one of the first charging devices chargingports formed thereon.
 6. The modular system of charging devicesaccording to claim 5 wherein an electronic component being charged issupported on the generally upward facing minor surface.
 7. The modularsystem of charging devices of claim 1, wherein the first and secondcharging devices each further comprises a power manager.
 8. The modularsystem of charging devices of claim 1, wherein the second chargingdevice further comprises at least one wireless charging coil.
 9. Themodular system of charging devices of claim 1, wherein the secondcharging device further comprises: a battery storage; a barrelextension, the barrel extension extending from a first minor surface,the barrel extension adapted for insertion into a vehicle 12V chargeport; and contacts extending from the barrel to effect an electricalconnection with a vehicle 12V port.
 10. The modular system of chargingdevices of claim 9, wherein the second charging device further includesa power cord suitable for electrical connection to a power port of adigital device.
 11. The modular system of charging devices of claim 1,wherein the first charging device magnetic connector includes a pair ofelectrodes for receiving power from a pair of electrodes in the secondcharging device magnetic connector.
 12. The modular system of chargingdevices of claim 1, wherein the second charging device comprises: apower controller; at least one connector; charge connection pins; and aremovable connection for securing the power storage device to: acharging device; or an additional power storage device.
 13. A modularsystem of charging devices configured to be configured to join separatecharging devices, the system comprising: a first charging device; asecond charging device, wherein: the first charging device comprises:first and second opposed major surfaces and first and second opposedminor surfaces; an electrical charging port on at least of one minorsurface, the electrical charging port adapted to connect to a digitaldevice; a magnetic connector suitable for physically connecting thefirst charging device to the second charging device; a first electricalconnection for electrically connecting the first charging device to thesecond charging device; at least one electrical socket located on thefirst major surface; and at least one electrical plug extending from thesecond major surface, and wherein: a second charging device comprises:first and second opposed major surfaces and first and second opposedminor surfaces; an electrical charging port on at least one minorsurface, the electrical charging port adapted to connect a digitaldevice; a magnetic connector adapted to physically connect to the firstcharging device; and a second electrical connection for electricallyconnecting to the first charging device first electrical connection; anda third charging device, the third charging device comprising: a base,the base comprising one inclined major surface, the inclined majorsurface inclined from the base and a second major surface; a wirelesscoil, the wireless coil adapted to electrically charge a digital deviceproximate the inclined major surface; and a magnetic connector adaptedto physically connect to the first and second charging devices.
 14. Themodular system of charging devices of claim 13, wherein the thirdcharging device further comprises a second magnetic connector adapted tophysically connect to the second charging device.
 15. The modular systemof charging devices of claim 13, wherein the second charging devicefurther includes a power cord adapted to electrically connect to a powerport of a digital device.